48
8. Wiring Connection Diagram
8.1 Indoor
Unit
8.1.1 WH-SDC09H3E8
CN
209
CN
201
CN
20
2
CN
203
CN1
SSR
20
2
SSR
20
3
RY
1
CN
208
CN2
05
SSR
20
0
SSR
20
1
PO
O
L
W
AT
ER
PUM
P
SO
LA
R
W
AT
ER
PUM
P
ERRO
R
SI
G
N
AL
WA
TE
R
P
U
MP
ZON
E 1
WA
TE
R
P
U
MP
ZON
E 2
ROOM TEMP.
ZONE 2
ROOM TEMP.
ZONE 1
BUFFERTANK
SENSOR
CN
204
POOL TEMP.
SENSOR
WATER TEMP.
ZONE 2
WATER TEMP.
ZONE 1
CN21
0
HEAT/COOL
SWITCH
EXTERNAL
COMP. SW
CN
206
CN
207
SOLARTEMP.
SENSOR
DEMAND
SIGNAL
SG
SIGNAL
VC
C
BI
T2
BI
T1
DC GN
D
DC 10V
CO
O
L
HEA
T
N
L
RO
OM
TH
ERM
O
2
CO
O
L
HEA
T
N
L
R
OOM
TH
ER
MO
1
OPEN
CL
OS
E
N
MIX
IN
G
VA
LVE 2
SSR20
7
SSR20
6
OPE
N
CL
OS
E
N
MI
XI
N
G
VA
LV
E 1
SSR20
5
SSR20
4
LE
AD
W
IRE
F
IX
ING F
O
R OL
P
LEAD W
IR
E F
IXI
NG
FO
R
HEATER
BL
UE
BL
UE
WH
IT
E
WH
IT
E
WH
IT
E
BR
OW
N
RE
D
OR
AN
GE
BL
AC
K
BL
AC
K
OR
AN
GE
OR
AN
GE
BR
OW
N
BR
OW
N
GROU
NDI
N
G
GROUND
IN
G
TE
R
M
IN
AL
BO
ARD
BL
W
B
Y
(L
A1
)
RCCB
POW
ER SUPP
LY
1
3~phas
eA
C400V
50Hz
TO O
UTD
OO
R U
NIT
400V 2
5A
l
∆
n=
30m
A
(L
A2
)
(L
A3
)
(N
)
1
2
3
4
5
W
BL
B
BR
R
W
BL
B
BR
R
7
4
1
2
3
7
4
1
2
3
1
4
7
6
5
M
WA
TE
R
PU
M
P
WA
TE
R
PIPIN
G
WA
TE
R
PU
M
P
CI
RC
UI
T
SI
G
N
AL
DE
TE
C
TION
C
IRCU
IT
SI
G
N
AL
DET
ECTI
O
N
CI
RC
UI
T
G
R
G
W
BL
Y
B
NOI
SE
FI
LT
ER
C
IRCU
IT
OL
P B
O
O
ST
ER
HE
AT
ER
R
OOM
TE
M
P.
ZON
E 1
CN6
OU
TD
OO
R
AIR
SENSO
R
TA
N
K
SENSO
R
CN5
EXT
ERN
AL
CO
NTRO
L 1
CN4
BO
IL
ER
CO
NT
AC
T
EXT
RA
PUM
P
BO
OSTE
R
HE
AT
ER
CN3
BL
BL
CO
NTRO
L
PA
N
EL
SSR
1
AC
1-
L3
(B
LK
)
AC
1-
L2
(Y
LW
)
AC
1-
L1
(B
LU
)
AC
1-
N
(W
HT
)
G0
1
(G
RN)
CN-P
UM
P1
(W
HT
)
G0
2
(G
RN)
DA
TA
(RE
D)
GR
OU
ND
IN
G
(L
1
)
RCCB/
EL
C
B
POW
ER
SUPP
LY 2
Singl
e phaseAC230
V 50H
z
230V
30A
~4
0A
l
∆
n=
30
mA
(N
1
)
RY
-C
O
N
TA
CT
1
SI
G
N
AL
DE
TE
C
TION
CI
RCUI
T
5
1
CN-CN
T
(W
HT
)
CO
M
M
UNI
CA
TI
O
N
CI
RC
UI
T
NO
ISE F
ILT
ER
CI
R
CUI
T
WW
WW
W
W
W
W
W
BL
REAC
TO
R
21
1
21
RE
CT
IF
IC
AT
IO
N
CI
R
CUI
T
NO
IS
E
FI
LT
ER
C
IRCU
IT
FU
SE3
T3
.1
5
A L250V
FU
SE1
T6
.3
A L250
V
RY-
BO
OST
ER
1
1
2
1
2
4
1
5
3
CN-CN
T
(W
HT
)
CN-P
W
R2
(B
LU
)
1
3
CN
-P
W
R (B
LK
)
CN-
CO
M
M
(Y
LW
)
CN-P
W
R2
02
(Y
LW
)
CN-P
W
R2
04
(Y
LW
)
AC
N (W
HT
)
AC
L (
BL
K)
3
1
CN-P
W
R3
(G
RN)
DCN (B
LU
)
DC
P
(RE
D)
W
W
W W
W
W
B
B
B
R
W
2
1
1
2 3
CN-P
W
R4
(B
LK
)
W
W
BL
OPE
N
CL
OS
E
N
2-
W
AY
VA
LV
E
CO
OL
HE
AT
N
L
R
OOM
TH
ER
MO 1
CN2
OPEN
CL
OS
E
N
3-
W
AY
VA
LV
E
RY-V
3
RY-V
2
SI
G
N
AL
DET
ECTI
O
N
CI
RC
UI
T
CN-
TH
3
(W
HT
)
CN-
TH
1
(W
HT
)
CN-
F
LW
SE
N
(W
HT
)
t°
H
EX
W
AT
ER
OU
TL
ET
TE
M
P.
S
ENS
O
R
(T
HE
RMIS
TO
R
)
t°
W
ATER O
U
TL
ET
TE
M
P.
S
ENSO
R
(T
HERM
IST
O
R
)
t°
REF
R
IG
ERAN
T
TE
M
P.
SE
N
SOR
(T
HER
M
IST
O
R)
t°
W
ATER
IN
LE
T
TEM
P.
SE
N
SO
R
(T
HERM
IST
O
R
)
1
1
1
4
6
2
CN-O
LP
1
(W
HT
)
1
2
OL
P
80±
3°
C
FLO
W
SENSO
R
W
BR
B BL
SW
1
SW
2
RY-H
T (L
1)
RY-H
T (L
2)
RY-H
T (L
3)
AC
2-L1
(BLU
)
AC
2-L2
(YLW
)
AC
2-L3
(BLK
)
AC2-
N2
(WHT
)
AC
2-
N1
(G
R
Y)
TE
RM
IN
A
L
BO
AR
D
AC
L3
(B
LK
)
LJ
P2
(W
HT
)
HT1-
L1
(BR
W)
HT1-
L3
(RED
)
HT1-
L2
(ORG)
L1
(W
HT
)
G0
3
(G
RN)
L2
(W
HT
)
FU
SE2
20
A 500V
2
3
4
1
2
3
4
OL
P
80
±3
°C
OL
P
80±
3°
C
11
OL
P
80±
3°
C
22
33
BR
BR
BR
BL
BL
B
L
GR
R
R
B
G
O
OO
Y
RECT
IF
IC
AT
IO
N
CI
RCUI
T
BACKU
P HE
AT
ER
A
EL
EC
TR
O
N
IC
C
O
N
TR
O
LL
ER
(S
U
B)
OP
TI
ON
A
L
EL
EC
TR
O
N
IC
C
O
N
TR
O
LL
ER
(M
AI
N
)
REM
ARK
S:
W:
W
HI
TE
O
:
OR
AN
GE
R:
RE
D
B:
BL
UE
BL
:
BL
ACK
Y
:
YEL
LO
W
BR
:
BRO
W
N
G
:
GR
EEN
GR
:
GRAY
Y/
G
:
YEL
LO
W
/G
REEN
EL
CB
:
EART
H L
EAKAG
E
CI
RC
UI
T BREA
KER
2
3
1
1
3
2
BASE
PA
N
G
WA
TE
R
PIPIN
G
CO
NNE
CT
IN
G
BAR
G
SI
G
N
AL
DE
TE
C
TI
O
N
C
IRCU
IT
